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Side by Side Diff: src/field-index.h

Issue 426233002: Land the Fan (disabled) (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 6 years, 4 months ago
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1 // Copyright 2014 the V8 project authors. All rights reserved. 1 // Copyright 2014 the V8 project authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef V8_FIELD_INDEX_H_ 5 #ifndef V8_FIELD_INDEX_H_
6 #define V8_FIELD_INDEX_H_ 6 #define V8_FIELD_INDEX_H_
7 7
8 #include "src/property-details.h" 8 #include "src/property-details.h"
9 #include "src/utils.h" 9 #include "src/utils.h"
10 10
(...skipping 78 matching lines...) Expand 10 before | Expand all | Expand 10 after
89 } 89 }
90 90
91 static const int kIndexBitsSize = kDescriptorIndexBitCount + 1; 91 static const int kIndexBitsSize = kDescriptorIndexBitCount + 1;
92 92
93 // Index from beginning of object. 93 // Index from beginning of object.
94 class IndexBits: public BitField<int, 0, kIndexBitsSize> {}; 94 class IndexBits: public BitField<int, 0, kIndexBitsSize> {};
95 class IsInObjectBits: public BitField<bool, IndexBits::kNext, 1> {}; 95 class IsInObjectBits: public BitField<bool, IndexBits::kNext, 1> {};
96 class IsDoubleBits: public BitField<bool, IsInObjectBits::kNext, 1> {}; 96 class IsDoubleBits: public BitField<bool, IsInObjectBits::kNext, 1> {};
97 // Number of inobject properties. 97 // Number of inobject properties.
98 class InObjectPropertyBits: public BitField<int, IsDoubleBits::kNext, 98 class InObjectPropertyBits: public BitField<int, IsDoubleBits::kNext,
99 kDescriptorIndexBitCount> {}; 99 kDescriptorIndexBitCount> {
100 };
100 // Offset of first inobject property from beginning of object. 101 // Offset of first inobject property from beginning of object.
101 class FirstInobjectPropertyOffsetBits: 102 class FirstInobjectPropertyOffsetBits:
102 public BitField<int, InObjectPropertyBits::kNext, 7> {}; 103 public BitField<int, InObjectPropertyBits::kNext, 7> {
104 };
103 class IsHiddenField: 105 class IsHiddenField:
104 public BitField<bool, FirstInobjectPropertyOffsetBits::kNext, 1> {}; 106 public BitField<bool, FirstInobjectPropertyOffsetBits::kNext, 1> {
107 };
105 STATIC_ASSERT(IsHiddenField::kNext <= 32); 108 STATIC_ASSERT(IsHiddenField::kNext <= 32);
106 109
107 int bit_field_; 110 int bit_field_;
108 }; 111 };
109 112
110 } } // namespace v8::internal 113 } } // namespace v8::internal
111 114
112 #endif 115 #endif
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